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Screen Recorder

Record your screen, a window, or a tab — straight in your browser, nothing uploaded.

Record your screen, a window, or a browser tab — entirely in your browser, nothing uploaded.

你的瀏覽器無法執行該模型。請試試較新的 Chrome、Edge、Firefox 或 Safari。

如何 Screen Recorder

  1. 1

    Choose what to share

    Click Start recording, then pick your entire screen, a window, or a browser tab.

  2. 2

    Record

    A live preview and timer show while it's recording; optionally include your microphone.

  3. 3

    Stop and download

    Click Stop recording (or use the browser's own "Stop sharing" control) and save the video.

Related PDF tools

影片裁剪在瀏覽器中把影片裁剪到你想要的部分。Add Captions to VideonewAuto-transcribe and burn subtitles into a video with Whisper — in your browser, nothing uploaded.影片壓縮以更低的位元率重新編碼 MP4、MOV 或 WebM 以縮小檔案 —— 在瀏覽器中處理，不上傳。影片靜音在瀏覽器中移除影片的音軌。

Screen Recorder — 常見問題

Is my recording uploaded anywhere?+

No. It's captured and saved as a local file entirely in your browser — nothing is sent to a server.

Can it record audio too?+

Yes — tick microphone audio, and tab/system audio if your browser and the thing you're sharing offer it (Chrome supports it for a tab; a full screen or window usually doesn't include system audio).

What format does it save as?+

WebM in most browsers (Chrome, Edge, Firefox), which plays natively in any modern browser and video app. Need MP4? Run it through the WebM to MP4 converter afterward.

Does this work on mobile?+

No — screen capture via getDisplayMedia is a desktop browser feature. Use Chrome, Edge or Firefox on a computer.

你們會把我的檔案上傳到伺服器嗎？+

不會——這裡的每個工具都完全在你的裝置上處理檔案，不會向伺服器上傳任何內容。唯一的例外是 AI 工具，它們會把擷取的文字（而非檔案本身）傳送給 Claude 來完成工作。

有檔案大小限制嗎？+

我們沒有人為設下限制，但由於處理過程在你的瀏覽器中進行，非常大的檔案（超過 500MB 或 1000 頁）會受你裝置記憶體的限制，而非我們的限制。